


# catedict = {'1':'i in list', '2':'i in bejin', '3':'i in sdii'}
#
#
# def get_kwords():
#     klist = []
#     for i in catedict.values():
#         print(i)
#         list = i.split()
#         print(list)
#         klist.extend(list)
#     return set(klist)
#
#
# keys=get_kwords()
# print(keys)
#
# def create_index():
#     dict={}
#     for  i  in keys:
#         keylist=[]
#         for j  in  catedict.keys():
#             if i in catedict[j].split():
#                 keylist.append(j)
#             dict[i]=keylist
#
#     return dict
#
# data=create_index()
# print(data)
